The DSW-301 dual technology wall switch occupancy sensor turns lights off and on based on occupancy. It combines the benefits of passive infrared (PIR) and ultrasonic detection technologies. The DSW-301 replaces existing wall switches and fits behind a standard decorator wallplate .

WattStopper® Wall Switch Occupancy Sensor, Dual Technology, Series: DSW, 120/277 VAC, 0 to 1200 W Power, Passive Infrared/Ultrasonic Sensor, 1050 sq-ft Coverage, 180 deg Viewing, 5 to 30 min Time Delay, LED Lamp, Flying Lead Connection, Automatic On/Off, Manual On/Off Control Output, 35 deg C, Plastic, White, 2.73 in L x 1.75 in W x 1.81 in H Dimensions

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Catalog.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Installation_Manual.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Installation_Manual.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Line_Drawing.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WattStopper_DSW301W_Line_Drawing.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_cbe7ca5ed95ea278a170645f7369579ea89804ed0ced2a96040d384862a639f3.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_cbe7ca5ed95ea278a170645f7369579ea89804ed0ced2a96040d384862a639f3.pdf

• Selectable walk-through mode turns lights off three minutes after initial occupancy if no motion is detected after the first 30 seconds
• Test mode allows quick and easy adjustments
• Selectable audible alert for impending shutoff
• In automatic mode, sensor returns automatically to Auto-ON after lights are turned off manually
• Zero-crossing for long relay life
• Vandal resistant lens combines precise coverage with durability